10! seconds is exactly 6 weeks, unless there are leap seconds, or changes for Summer time. But yes, other than that, exactly 6 weeks.
@ColinTheMathmo My revelation of the day, thanks!
I'll make sure to always say that fact when I introduce factorials, it helps understand how fast it grows!
A Mastodon instance for maths people. The kind of people who make \(\pi z^2 \times a\) jokes.
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